--- product_id: 422090758 title: "KAX CA4309 Premium Engine Air Filter for Nissan, INFINITI, Subaru, Saab" brand: "kax" price: "147.90 DT" currency: TND in_stock: true reviews_count: 13 category: "Kax" url: https://www.desertcart.tn/products/422090758-kax-ca4309-premium-engine-air-filter-for-nissan-infiniti-subaru store_origin: TN region: Tunisia --- # Boosts MPG by up to 40% Fits 30+ Nissan, INFINITI & Subaru models 99.9% filtration efficiency KAX CA4309 Premium Engine Air Filter for Nissan, INFINITI, Subaru, Saab **Brand:** kax **Price:** 147.90 DT **Availability:** ✅ In Stock ## Summary > 🚗 Elevate your drive with KAX — where power meets precision! ## Quick Answers - **What is this?** KAX CA4309 Premium Engine Air Filter for Nissan, INFINITI, Subaru, Saab by kax - **How much does it cost?** 147.90 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/422090758-kax-ca4309-premium-engine-air-filter-for-nissan-infiniti-subaru) ## Best For - kax enthusiasts ## Why This Product - Trusted kax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fitment:** Custom-engineered for seamless installation on Nissan, INFINITI, Subaru & Saab vehicles. - • **Long-Lasting Durability:** Premium oiled cotton gauze lasts 3X longer than standard filters—up to 20,000 miles. - • **Unmatched Fuel Efficiency:** Experience up to 42 MPG—outperform OEM and FRAM filters effortlessly. - • **Superior Engine Protection:** 99.9% filtration keeps harmful particles out, extending engine life and performance. - • **Turbocharged Performance Boost:** Enhanced airflow accelerates turbo spool-up for quicker 0-60 times and smoother rides. ## Overview The KAX CA4309 Premium Engine Air Filter is a high-performance replacement designed for a wide range of Nissan, INFINITI, Subaru, and Saab models. Featuring advanced oiled cotton gauze media, it delivers 99.9% filtration efficiency, extends filter life up to 20,000 miles, and significantly improves fuel economy and acceleration. Engineered for a perfect fit and enhanced airflow, this filter outperforms OEM and leading aftermarket options, making it the smart upgrade for millennial professionals seeking reliability, efficiency, and a performance edge. ## Description desertcart.com: KAX CA4309 Premium Engine Air Filter for Nissan, INFINITI, Subaru, Saab | for Nissan Pathfinder 1990-2004, 2013, 2015-2020 2014 3.5L, Murano 2003-2007, 2009-2015, 2017-2024 2016 3.5L : Toys & Games Review: Noticeable Performance & MPG Gains — Outperforms OEM and FRAM Paper Filters - This KAX engine air filter delivers significantly more than the product description suggests. The construction quality is immediately apparent: the filter is heavier than the OEM Chevrolet filter, has greater surface area, and seals more securely without stressing the plastic airbox. The design allows increased airflow without compromising filtration capability. To evaluate performance objectively, I compared this filter against both the OEM paper filter and a brand‑new FRAM paper filter in my 2022 Chevy Equinox (1.5L turbo). My daily commute is consistent, and I monitor vehicle data through OBD‑II equipment typically used for drag‑racing analysis. Fuel Efficiency: OEM / FRAM paper filters: 27–30 mpg average KAX filter: 39–42 mpg average The improvement was immediate and repeatable. To rule out placebo effect, I reinstalled the new FRAM filter for a full week. MPG dropped back to ~28 mpg. Reinstalling the KAX again restored the 39+ mpg average under identical driving conditions. Acceleration Testing (0–60 mph): FRAM paper filter: 8.7 seconds (expected for this vehicle) KAX filter: 7.8 seconds During acceleration, the FRAM filter dropped fuel economy to 5 mpg, while the KAX dropped to 11 mpg — a clear indication that the turbocharger was spooling earlier and breathing more efficiently with the KAX installed. Additional Observations: The filter’s increased airflow noticeably benefits the turbocharger. Fitment is excellent; the seal is firm without requiring extra force. For the price, it’s on par with generic paper filters and actually cheaper than the FRAM I purchased locally. Although KAX advertises a 20,000‑mile lifespan, the low cost makes more frequent replacement a practical choice. Conclusion: This filter outperformed both OEM and FRAM options in measurable ways — fuel economy, acceleration, and overall engine responsiveness. Based on the results, I will be switching my other vehicles to KAX filters as well. Highly recommended for anyone looking to improve efficiency and performance without modifying their vehicle. Review: Fit well and great quality - This cabin air filter fits my 2019 Nissan Rogue perfectly. The quality is noticeably better than some of the other brands I’ve tried before, and the installation was quick and easy. It fits well without any gaps or issues and feels sturdy and well made. Great value for the quality—I would definitely recommend it. ## Features - Vehicle Application: KAX Premium Engine Air Filter, CA4309 Replacement for Nissan Murano 3.5L 2003-2024, Nissan Maxima 1981-1984 1989-2023, Nissan Pathfinder 3.0/3.3/3.5L 1990-2020, Nissan Sentra 1991-2006, Nissan Altima 1993-2006, Nissan Altima 3.5L 2007-2018, Nissan Xterra 3.3L 2000-2004, Nissan Frontier 3.3L 1999-2004, Nissan Quest 2004-2017, Nissan 350Z(To 11/2006) 2003-2007, Nissan 240SX 1989-1998, Nissan D21 3.0L 1990-1994, Nissan Pickup 3.0L 1995-1995, Nissan 200SX 1995-1998, Nissan Stanza 1990-1992, Nissan NX 1991-1993, Nissan 300ZX Turbocharged 1988-1988, Nissan Pulsar NX DOHC 1987-1989, Nissan Axxess 1990-1990, Nissan 810 1981-1981 - Vehicle Application: KAX Premium Engine Air Filter, CA4309 Replacement for INFINITI QX60 3.5L 2014-2020, INFINITI G35 2003-2006, INFINITI G35 3.5L Coupe(engDesign:VQ35DE) 2007-2007, INFINITI FX35 2003-2008, INFINITI JX35 2013-2013, INFINITI QX4 1997-2003, INFINITI I30 1996-2001, INFINITI I35 2002-2004, INFINITI G20 1991-2002, INFINITI J30 1993-1997, INFINITI M30 1990-1992, Subaru Forester 1998-1999 2005-2008, Subaru Forester Turbocharged 2004-2004, Subaru Impreza(1999 for Exc.California Emission System) 1993-1999 2005-2007, Subaru Impreza 2.0L 2002-2004, Subaru Legacy(1999 for Exc.California Emission System) 1990-1999, Subaru Legacy/Outback(California Emission System) 2004-2004 - 2X Lifetime of the Standard Air Filter: KAX premium engine air filters utilize a high-performance oiled cotton gauze as the primary filtering media. High performance filter materials and specialized manufacturing processes give KAX engine air filters a longer life. Mileage up to 20K Miles for less replacement - 99.9% Filtration Efficiency: Keep harmful particles out of critical engine components. A clean air filter means optimal airflow to your engine. Enjoy better acceleration, more consistent performance, and even better gas mileage - 3X Protection: The KAX filter media made of special embossed paper, which has excellent crease stability and extra large dust holding capacity, maintaining good filtration performance even after a long period of use ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09KP8GB4H | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #812 in Automotive ( See Top 100 in Automotive ) #6 in Automotive Replacement Air Filters | | Brand | KAX | | Brand Name | KAX | | Customer Reviews | 4.7 out of 5 stars 3,815 Reviews | | Fit Type | Vehicle Specific Fit | | Included Components | 1* CA4309 Engine Air Filter | | Item Dimensions L x W x H | 11"L x 6.6"W x 1.3"H | | Item Highlight | for Nissan Pathfinder 1990-2004, 2013, 2015-2020 2014 3.5L, Murano 2003-2007, 2009-2015, 2017-2024 2016 3.5L | | Item Type Name | Premium Engine Air Filter | | Manufacturer | KAX | | Manufacturer Part Number | 9281GAF025TUS | | Manufacturer Warranty Description | 1 year | | Model Number | CA4309 | | Number of Items | 1 | | OEM Equivalent Part Number | VFA648,VFA619,VFA489,585020,AF293,1433065,GFE2258,1112655,WA6183,PXA46116,165466J400,SPA2031,AF4615,1987429051,EFA546,WGA890,SA4309,5025082,YL4J9601AA,8941516143,5025071,AF882,ADN12215,QSA4309,PA153,PZA153,1378054LA0,8944558380,0806500340,AP4309,JFA994,SA293,SA811,QFA32,2331244,3063013,FA994,FA1818,1378054LAO,E880L,0421364,V380005,16546V0110,P973,224,CNS12243,16546AA020,3040,IFA3108,16546W2900,834… | | OEM Part Number | VFA648,VFA619,VFA489,585020,AF293,1433065,GFE2258,1112655,WA6183,PXA46116,165466J400,SPA2031,AF4615,1987429051,EFA546,WGA890,SA4309,5025082,YL4J9601AA,8941516143,5025071,AF882,ADN12215,QSA4309,PA153,PZA153,1378054LA0,8944558380,0806500340,AP4309,JFA994,SA293,SA811,QFA32,2331244,3063013,FA994,FA1818,1378054LAO,E880L,0421364,V380005,16546V0110,P973,224,CNS12243,16546AA020,3040,IFA3108,16546W2900,834250,94455838,31154,5000202798,A360,ADK82242,WAF293,U548,1457433446,1378054LA0000,MA646,A925,25062212,92041796,A24278,145743344630N,1101907,1102056,2750,CA4278,A2102,HF8027,A2204,AF4278,S9894,CA6379,9457160044,S7680A,PC515,1N0013Z40,4116,EAF898,1432057,1100517,2001108,HA4309,1101906,PA7791,94116,BA4278,P6116,MCA4309,TFA19,CF4278,CA11711,A867,MA3250,CA4309,FA108S,0986AF2021,TA24278,24309,JFA108,JFA108S,AF0166,C29020,71760786,JFA199S,FA832S,PA7085,ALA8399,AF019,0986626804,FA37,18074,PA3517,ADS72214,J1321008,0986AF2264,9000105096,1654670J10,JFA709,AF0131,JFA709S,JFA199,FA709S,FA709,FA199,FA108,PC2382E,A2506,PC2576E,18466,177AP,PA24278,16546AA080,AG510,60744,8941226120,1457429894,J1328043,N1328046,16546AA050,34120460001,894132678,50013177,CA5825,AG728,AG922,PA7218,EDA615,25095333,ALA1800,FL6778,8400074,274,PC556,25062320,E235L,2668,71750719,16546AA020F OEM Part Number VFA648,VFA619,VFA489,585020,AF293,1433065,GFE2258,1112655,WA6183,PXA46116,165466J400,SPA2031,AF4615,1987429051,EFA546,WGA890,SA4309,5025082,YL4J9601AA,8941516143,5025071,AF882,ADN12215,QSA4309,PA153,PZA153,1378054LA0,8944558380,0806500340,AP4309,JFA994,SA293,SA811,QFA32,2331244,3063013,FA994,FA1818,1378054LAO,E880L,0421364,V380005,16546V0110,P973,224,CNS12243,16546AA020,3040,IFA3108,16546W2900,834250,94455838,31154,5000202798,A360,ADK82242,WAF293,U548,1457433446,1378054LA0000,MA646,A925,25062212,92041796,A24278,145743344630N,1101907,1102056,2750,CA4278,A2102,HF8027,A2204,AF4278,S9894,CA6379,9457160044,S7680A,PC515,1N0013Z40,4116,EAF898,1432057,1100517,2001108,HA4309,1101906,PA7791,94116,BA4278,P6116,MCA4309,TFA19,CF4278,CA11711,A867,MA3250,CA4309,FA108S,0986AF2021,TA24278,24309,JFA108,JFA108S,AF0166,C29020,71760786,JFA199S,FA832S,PA7085,ALA8399,AF019,0986626804,FA37,18074,PA3517,ADS72214,J1321008,0986AF2264,9000105096,1654670J10,JFA709,AF0131,JFA709S,JFA199,FA709S,FA709,FA199,FA108,PC2382E,A2506,PC2576E,18466,177AP,PA24278,16546AA080,AG510,60744,8941226120,1457429894,J1328043,N1328046,16546AA050,34120460001,894132678,50013177,CA5825,AG728,AG922,PA7218,EDA615,25095333,ALA1800,FL6778,8400074,274,PC556,25062320,E235L,2668,71750719,16546AA020F See more | | Product Dimensions | 11"L x 6.6"W x 1.3"H | | Product Grade | Replacement Part | | Shape | Rectangular | | Unit Count | 1 Count | ## Product Details - **Brand:** KAX - **Fit Type:** Vehicle Specific Fit - **Product Dimensions:** 11"L x 6.6"W x 1.3"H - **Product Grade:** Replacement Part ## Images ![KAX CA4309 Premium Engine Air Filter for Nissan, INFINITI, Subaru, Saab - Image 1](https://m.media-amazon.com/images/I/81lPcQFsx9L.jpg) ## Available Options This product comes in different **Set** options. ## Questions & Answers **Q: Does this fit Nissan maxima 2020? From the Compatible list no, but from amazon automatic car parts search yes.** A: If the engine is the same it should fit. V6 3.6 Air box should be the same ## Customer Reviews ### ⭐⭐⭐⭐⭐ Noticeable Performance & MPG Gains — Outperforms OEM and FRAM Paper Filters *by T***E on June 1, 2026* This KAX engine air filter delivers significantly more than the product description suggests. The construction quality is immediately apparent: the filter is heavier than the OEM Chevrolet filter, has greater surface area, and seals more securely without stressing the plastic airbox. The design allows increased airflow without compromising filtration capability. To evaluate performance objectively, I compared this filter against both the OEM paper filter and a brand‑new FRAM paper filter in my 2022 Chevy Equinox (1.5L turbo). My daily commute is consistent, and I monitor vehicle data through OBD‑II equipment typically used for drag‑racing analysis. Fuel Efficiency: OEM / FRAM paper filters: 27–30 mpg average KAX filter: 39–42 mpg average The improvement was immediate and repeatable. To rule out placebo effect, I reinstalled the new FRAM filter for a full week. MPG dropped back to ~28 mpg. Reinstalling the KAX again restored the 39+ mpg average under identical driving conditions. Acceleration Testing (0–60 mph): FRAM paper filter: 8.7 seconds (expected for this vehicle) KAX filter: 7.8 seconds During acceleration, the FRAM filter dropped fuel economy to 5 mpg, while the KAX dropped to 11 mpg — a clear indication that the turbocharger was spooling earlier and breathing more efficiently with the KAX installed. Additional Observations: The filter’s increased airflow noticeably benefits the turbocharger. Fitment is excellent; the seal is firm without requiring extra force. For the price, it’s on par with generic paper filters and actually cheaper than the FRAM I purchased locally. Although KAX advertises a 20,000‑mile lifespan, the low cost makes more frequent replacement a practical choice. Conclusion: This filter outperformed both OEM and FRAM options in measurable ways — fuel economy, acceleration, and overall engine responsiveness. Based on the results, I will be switching my other vehicles to KAX filters as well. Highly recommended for anyone looking to improve efficiency and performance without modifying their vehicle. ### ⭐⭐⭐⭐⭐ Fit well and great quality *by A***. on August 19, 2026* This cabin air filter fits my 2019 Nissan Rogue perfectly. The quality is noticeably better than some of the other brands I’ve tried before, and the installation was quick and easy. It fits well without any gaps or issues and feels sturdy and well made. Great value for the quality—I would definitely recommend it. ### ⭐⭐⭐⭐⭐ A great replacement filter for the taco *by 0***0 on July 25, 2026* Bought for my 2023 taco, seems well made fit like original, was easy to install, I am honestly seeing better gas mileage, very good price.. if it flies will deff keep using these for the cost and reliability --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/422090758-kax-ca4309-premium-engine-air-filter-for-nissan-infiniti-subaru](https://www.desertcart.tn/products/422090758-kax-ca4309-premium-engine-air-filter-for-nissan-infiniti-subaru) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-15*